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22 terms

Viruses

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Two parts that make up a viruses
Dna or Rna & protein
Where does a virus get its energy
host cell
Capsid
protein shell, jacket around core, shape of virus
Nucleocapsid
nucleo acid and capsid together
Shapes of viruses
icosahedral, helical/rod, envelope/spherical,
What is in the core of the virus
DNA or RNA
Virus Classification
nucleic acid
Bacteriophage
virus that infects bacteria
Prophage
bacteriophage thats harmless to host
Transduction
virus that carries genetic material from 1 cell to another
Temperate
virus does not cause disease
Virulent
disease causing
Viroid
single strand of RNA w/ no surrounding capsid
Viroids infect..
crops
Prion
partical composed only of protein
Prions can cause ..
mad cow disease
Retrovirus
contains only RNA
Absorption
virus attaches to host cell @ receptor site
Entry
virus injects nucleic acid into host cell
Replication
viral genes take over to direct the cell to make viral DNA & viral protein
Assembly
new viruses are put together
Release
viral enzyme breaks down cell wall of bacterial cell to release new viruses